SIST EN 50289-1-12:2005

Communication cables - Specifications for test methods -- Part 1-12: Electrical test methods - Inductance

This Part 1-12 of EN 50289 details the test methods to determine the inductance characteristics of cables used in analogue and digital communication systems. It is to be read in conjunction with EN 50289 1 1, which contains essential provisions for its application.

Kommunikationskabel - Spezifikationen für Prüfverfahren -- Teil 1-12: Elektrische Prüfverfahren - Induktivität

Dieser Teil 1-12 der EN 50289 beschreibt das Prüfverfahren zur Bestimmung der Induktivität von Kabeln, die in analogen und digitalen Kommunikationssystemen eingesetzt werden. Er ist mit EN 50289-1-1 anzuwenden, wo grundlegende Festlegungen zur Anwendung dieser Norm getroffen sind.

Câbles de communication - Spécifications des méthodes d'essai -- Partie 1-12: Méthodes d'essais électriques - Inductance

La présente Partie 1-12 de l’EN 50289 décrit les méthodes d’essai pour déterminer l’inductance des câbles utilisés dans des systèmes de communication analogiques et numériques. Elle est à lire conjointement avec l’EN 50289 1 1, qui contient des dispositions essentielles pour son application

Komunikacijski kabli – Specifikacije preskusnih metod – 1-12. del: Električne preskusne metode – Induktivnost

General Information

• Status: Published
• Publication Date: 31-Oct-2005
• ICS: 33.120.10 - Coaxial cables. Waveguides
• ICS: 33.120.20 - Wires and symmetrical cables
• Technical Committee: iTEL - Communication cables
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 01-Nov-2005
• Due Date: 01-Nov-2005
• Completion Date: 01-Nov-2005
• Mandate: M/212 - ICT - metallic and optical cables and cabling systems
• Ref Project: EN 50289-1-12:2005 - Communication cables - Specifications for test methods - Part 1-12: Electrical test methods - Inductance

Overview

SIST EN 50289-1-12:2005 is a European standard published by CLC that specifies electrical test methods for measuring the inductance of communication cables. This standard applies to cables used in both analogue and digital communication systems and defines precise procedures to assess their inductance characteristics, an essential parameter influencing signal integrity. It complements EN 50289-1-1, which sets the general requirements for electrical test methods in communication cables. The standard ensures consistent, accurate inductance measurements critical for cable performance evaluation, quality assurance, and compliance with telecommunications infrastructure requirements.

Key Topics

• Scope and Application
  EN 50289-1-12 focuses on the inductance test methods for pairs or sides of quads in communication cables, addressing cables operating at low frequencies typically around 50 Hz to 1,000 Hz.

• Test Equipment
  The standard allows the use of network analyzers, LCR meters, impedance-measuring bridges (e.g., Wheatstone or Maxwell bridge), or a combination of signal generators and receivers. Equipment accuracy must be within 2% ± 50 nH.

• Sample Preparation
  Test samples should range from 10 m to 100 m in length. Measurement can be taken at delivery length if cable attenuation permits, using the open/short method at the far end.

• Calibration Procedures
  Calibration accounts for the influence of connecting lead cables at the test frequencies, ensuring equipment and setup do not affect measurement accuracy. It follows guidance provided in EN 50289-1-11.

• Test Setup and Measurement
  The procedure involves connecting the cable under test (CUT) to measurement equipment, then applying the open/short test to determine input impedance. Inductance is typically displayed directly by instruments or calculated using impedance and phase angle data following mathematical formulas.

• Result Reporting
  Test results are normalized to a reference length of 1 km using the formula:
  L = (Lm / Length) * 1000 (mH/km)
  Reports must detail sample length, temperature conditions, and corrected inductance values.

Applications

• Communication Cable Manufacturing
  Manufacturers use EN 50289-1-12 to verify inductance parameters during quality control, ensuring that cables meet electrical specifications essential for reliable signal transmission.

• Network Installation and Maintenance
  Service providers and technicians employ these test methods to assess cable integrity, detect degradation, and validate cable suitability for specific analogue or digital communication systems.

• Research and Development
  Cable designers apply the standard to characterize new cable types, optimize material selection, and improve electromagnetic performance by accurately measuring inductance effects.

• Compliance and Certification
  Regulatory bodies and certification agencies rely on this standard for standardized compliance testing, fostering interoperability and safety across European telecommunication markets.

Related Standards

• EN 50289-1-1:2001 – Communication cables – Specifications for test methods – Part 1-1: Electrical test methods – General requirements.
• EN 50289-1-2:2001 – Electrical test methods – DC resistance measurement critical for calculating resistive components in impedance.
• EN 50289-1-11:2001 – Electrical test methods – Characteristic impedance, input impedance, return loss, directly relevant to test setups for measuring inductance.
• EN 50290-1-2:2004 – Communication cables – Definitions necessary for understanding terms and measurements used in associated tests.

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Keywords: EN 50289-1-12, inductance test methods, communication cables, electrical testing, cable inductance measurement, analogue and digital communication systems, network analyzer, LCR meter, impedance measurement, European cable standards, CLC standards compliance.

Standards Content (Sample)

SLOVENSKI SIST EN 50289-1-12:2005

STANDARD
november 2005
Komunikacijski kabli – Specifikacije preskusnih metod – 1-12. del: Električne
preskusne metode – Induktivnost
Communication cables - Specifications for test methods - Part 1-12: Electrical test
methods - Inductance
ICS 33.120.10 Referenčna številka
©  Standard je založil in izdal Slovenski inštitut za standardizacijo. Razmnoževanje ali kopiranje celote ali delov tega dokumenta ni dovoljeno

EUROPEAN STANDARD EN 50289-1-12
NORME EUROPÉENNE
EUROPÄISCHE NORM April 2005
ICS 33.120.20
English version
Communication cables -
Specifications for test methods
Part 1-12: Electrical test methods -
Inductance
Câbles de communication -  Kommunikationskabel -
Spécifications des méthodes d'essai Spezifikationen für Prüfverfahren
Partie 1-12: Méthodes d'essais Teil 1-12: Elektrische Prüfverfahren -
électriques - Induktivität
Inductance
This European Standard was approved by CENELEC on 2004-12-01. CENELEC members are bound to
comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European
Standard the status of a national standard without any alteration.

Up-to-date lists and bibliographical references concerning such national standards may be obtained on
application to the Central Secretariat or to any CENELEC member.

This European Standard exists in three official versions (English, French, German). A version in any other
language made by translation under the responsibility of a CENELEC member into its own language and
notified to the Central Secretariat has the same status as the official versions.

CENELEC members are the national electrotechnical committees of Austria, Belgium, Cyprus, Czech
Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden,
Switzerland and United Kingdom.

CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung

Central Secretariat: rue de Stassart 35, B - 1050 Brussels

© 2005 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.

Ref. No. EN 50289-1-12:2005 E
Foreword
This European Standard was prepared by the CENELEC Technical Committee TC 46X,
Communication cables.
The text of the draft was submitted to the Unique Acceptance Procedure and was approved by
CENELEC as EN 50289-1-12 on 2004-12-01.
The following dates were fixed:
– latest date by which the EN has to be implemented
at national level by publication of an identical
national standard or by endorsement (dop) 2005-12-01
– latest date by which the national standards conflicting
with the EN have to be withdrawn (dow) 2007-12-01
This European Standard has been prepared under the European Mandate M/212 given to CENELEC by the
European Commission and the European Free Trade Association.
__________
– 3 – EN 50289-1-12:2005
Contents
1 Scope.4
2 Normative references.4
3 Definitions.4
4 Test method.5
4.1 Equipment. 5
4.2 Test sample. 5
4.3 Calibration. 5
4.4 Test set-up. 5
4.5 Measuring procedure.
...